weston-image: add reference image for Wayland/Weston
weston-image: add reference image for Wayland/Weston

including:
* systemd
* pam
* connman
* user linaro (no passwd)

Signed-off-by: Nicolas Dechesne <05fca36dfcf68f7e1c9eaf62b074676ab50a133b@linaro.org>

ndechesne/meta-qcom,ndechesne/meta-qcom,ndechesne/meta-qualcomm,ndechesne/meta-qcom